/*-
 * Copyright (C) 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.feeds.widget;

import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;

import junit.framework.Assert;

public class MockQueryProvider extends ContentProvider {

    private Uri mExpectedQueryUri;

    private Uri mActualQueryUri;

    private Uri mUnexpectedAdditionalQueryUri;

    private Cursor mCursor;

    public MockQueryProvider expectQuery(Uri uri) {
        mExpectedQueryUri = uri;
        return this;
    }

    public void andReturn(Cursor cursor) {
        mCursor = cursor;
    }

    @Override
    public boolean onCreate() {
        return true;
    }

    @Override
    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
            String sortOrder) {
        // Note: Do not throw an AssertionFailedError from this method because
        // it will be caught by the ContentResolver instead of the TestRunner.
        if (mActualQueryUri == null) {
            mActualQueryUri = uri;
            return mCursor;
        } else {
            mUnexpectedAdditionalQueryUri = uri;
            return null;
        }
    }

    public void replay() {
        if (mUnexpectedAdditionalQueryUri != null) {
            Assert.fail("Unexpected additional query: " + mUnexpectedAdditionalQueryUri);
        }
        if (mExpectedQueryUri != null && mActualQueryUri == null) {
            Assert.fail("Expected query: " + mExpectedQueryUri);
        }
        if (mExpectedQueryUri == null && mActualQueryUri != null) {
            Assert.fail("Unexpected query: " + mActualQueryUri);
        }
        Assert.assertEquals(mExpectedQueryUri, mActualQueryUri);
        reset();
    }

    private void reset() {
        mExpectedQueryUri = null;
        mActualQueryUri = null;
        mCursor = null;
    }

    @Override
    public String getType(Uri uri) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int delete(Uri uri, String selection, String[] selectionArgs) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Uri insert(Uri uri, ContentValues values) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
        throw new UnsupportedOperationException();
    }
}
